depends: fix major regression after d546191dc.

Broken hash logic caused all depends on some platforms (osx at least) to end up
with the same build-id. Without this fix, nothing will be rebuilt when recipes
or dependencies change.

depends/funcs.mk

@@ -31,8 +31,8 @@ define fetch_file
 endef
 
 define int_get_build_recipe_hash
-$(eval $(1)_all_file_checksums:=$(shell $(build_SHA256SUM) $(meta_depends) packages/$(1).mk $(addprefix $(PATCHES_PATH)/$(1)/,$($(1)_patches))))
+$(eval $(1)_all_file_checksums:=$(shell $(build_SHA256SUM) $(meta_depends) packages/$(1).mk $(addprefix $(PATCHES_PATH)/$(1)/,$($(1)_patches)) | cut -d" " -f1))
-$(eval $(1)_recipe_hash:=$(shell echo -n "$($(1)_all_file_checksums)" | cut -d" " -f1 | $(build_SHA256SUM)))
+$(eval $(1)_recipe_hash:=$(shell echo -n "$($(1)_all_file_checksums)" | $(build_SHA256SUM) | cut -d" " -f1))
 endef
 
 define int_get_build_id